You should not use two doses at the same time.

How to Store and Dispose of This Medicine

Drugs and Foods to Avoid

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

Avoid drinking alcohol while you are taking this medicine.

While using this medicine, avoid taking aspirin or cough and cold medicines.

Tolazamide interacts with many medicines. Before you start taking tolazamide, make sure your doctor knows of all other medicines that you are taking.

Warnings While Using This Medicine

Talk with your doctor before taking tolazamide if you are pregnant, breastfeeding, or have liver or heart disease, G-6-PD deficiency, or an adrenal or pituitary gland disorder.

To control your diabetes, follow the diet that your doctor ordered and take this medicine on a regular schedule.

You may have low blood sugar while you are taking tolazamide, especially if you miss a meal, exercise for a long time, or drink alcohol. Symptoms of low blood sugar include sweating, feeling very hungry, fast heartbeat, drowsiness, confusion, headache that won't go away, chills, or vomiting.

Ask you doctor what you should do in case you have low blood sugar. You will need to control it quickly.

Possible Side Effects While Using This Medicine

Call your doctor right away if you notice any of these side effects:

Unexplained fever, chills, or sore throat

Unusual bleeding or bruising

Yellowing of skin or eyes

Dark urine

If you notice these less serious side effects, talk with your doctor:

Mild nausea or vomiting

Headache

Stomach pain or upset

Sensitivity of skin to sunlight

Skin rash or itching

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088